Sakunphanitphan, San, Jeeeraphat Jantarat, Hathaitip Sritanaudomchai, Bovornlak Oonkhanond, and Kenneth M Hargreaves. “The effect of silk fibroin hydrogel on proliferation of human stem cells from the apical papilla”. Mahidol Dental Journal 39, no. 1 (April 29, 2019): 35–40. accessed September 28, 2026. https://he02.tci-thaijo.org/index.php/mdentjournal/article/view/191188.